|Pages (from-to)||524 - 528|
|Journal||IEE 5th European Personal Mobile Communications Conference, 2003|
|State||Published - 22 Apr 2003|
The introduction of a shorting pin to the centre of an annular slot results in an additional, 'DC', mode being excited. Operation in this mode results in an electrically small structure, which is inherently narrow-band. Through the addition of a simple varactor diode we show that this narrow-band 'DC' mode may essentially be made wide-band through frequency tuning. The results presented in this paper consider the input response, 3-D radiation pattern, gain, directivity and efficiency.
Publisher: Institution of Electrical Engineers (IEE)
Name and Venue of Conference: European Personal Mobile Communications Conference, Glasgow, UK
Rose publication type: Conference contribution
Sponsorship: The authors wish to acknowledge the financial support from the EPSRC and QinetiQ, grant no. 003011875.
- antenna radiation patterns, broadband antennas, microstrip antennas, mobile antennas, slot antennas, tuning, varactors
5th European Personal Mobile Communications Conference
|Duration||1 Apr 2003 → …|